An instrument which is used to determine the acuity of hearing.
audiometry
audiometry
noun
(medicine) The quantitative assessment of a person's hearing ability, especially by means of an audiometer.
autodermic
democritus
democritus
Proper noun
A Greek philosopher (c.460-c.370 BC). The originator of the atomic theory together with his teacher Leucippus.
eudiometer
eudiometer
noun
A graduated glass tube, closed at one end, that is used for measuring the change in the volume of gases during a chemical reaction.
eudiometry
eudiometry
noun
(chemistry, now chiefly historical) The art or process of determining the constituents of a gaseous mixture by means of the eudiometer, or for ascertaining the purity of the air or the amount of oxygen in it.
importuned
importuned
verb
simple past tense and past participle of importune